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21.
Criteria for NZEHH Competition
THE HOUSE MUST BE...
Healthy to live in
Highly energy efficient
Able to produce as much energy as it
consumes on an annual basis
The best use of natural resources
Affordable.

22.
Now House™
Integrated Design Charrette.
60 experts in the sustainable building
business contributed their time and talent.

34.
ENERGY: On-site Power Generation
• Install solar photovoltaic panels
• Used with standard offer to offset costs and get us
to net zero cost.

35.
ENERGY: Heat Recovery
• Add a Power Pipe drain water heat recovery system
• Add an 81% efficient HRV with ECM motor
• Add a large south-facing window with shading for
summer and operable windows.

36.
Resources
• New resources for insulation and solar PV will be
locally sourced
• Siding will be removed and reused
• No demolition of interior walls
• Waste materials will be recycled or ground up for
compost
• Low water use washing machine and dishwasher
• Low flow shower heads and sink faucets
• Dual flush toilet (existing).

37.
Environment
• Envelope upgrades will reduce heat loss and plug
loads will be reduced by almost 60%
• Green House Gas emissions will be reduced by
6 tonnes
• Trees and vines will be planted for shade and air
quality.